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#!/usr/bin/python
"""
Copyright 2014 Google Inc.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
Test the render_pictures binary.
"""
# System-level imports
import json
import os
import shutil
import tempfile
# Imports from within Skia
import base_unittest
# Maximum length of text diffs to show when tests fail
MAX_DIFF_LENGTH = 30000
EXPECTED_HEADER_CONTENTS = {
"type" : "ChecksummedImages",
"revision" : 1,
}
class RenderPicturesTest(base_unittest.TestCase):
def setUp(self):
self._input_skp_dir = tempfile.mkdtemp()
self._temp_dir = tempfile.mkdtemp()
self.maxDiff = MAX_DIFF_LENGTH
def tearDown(self):
shutil.rmtree(self._input_skp_dir)
shutil.rmtree(self._temp_dir)
def test_tiled_whole_image(self):
"""Run render_pictures with tiles and --writeWholeImage flag."""
output_json_path = os.path.join(self._temp_dir, 'output.json')
self._generate_skps()
# TODO(epoger): I noticed that when this is run without --writePath being
# specified, this test writes red_skp.png and green_skp.png to the current
# directory. We should fix that... if --writePath is not specified, this
# probably shouldn't write out red_skp.png and green_skp.png at all!
self._run_render_pictures(['-r', self._input_skp_dir,
'--bbh', 'grid', '256', '256',
'--mode', 'tile', '256', '256',
'--writeJsonSummaryPath', output_json_path,
'--writePath', self._temp_dir,
'--writeWholeImage'])
expected_summary_dict = {
"header" : EXPECTED_HEADER_CONTENTS,
"actual-results" : {
"red.skp": {
# Manually verified: 640x400 red rectangle with black border
"whole-image": {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 11092453015575919668,
"comparisonResult" : "no-comparison",
"filepath" : "red_skp.png",
},
},
"green.skp": {
# Manually verified: 640x400 green rectangle with black border
"whole-image": {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 8891695120562235492,
"comparisonResult" : "no-comparison",
"filepath" : "green_skp.png",
},
}
}
}
self._assert_json_contents(output_json_path, expected_summary_dict)
self._assert_directory_contents(
self._temp_dir, ['red_skp.png', 'green_skp.png', 'output.json'])
def test_untiled(self):
"""Run without tiles."""
output_json_path = os.path.join(self._temp_dir, 'output.json')
self._generate_skps()
self._run_render_pictures(['-r', self._input_skp_dir,
'--writePath', self._temp_dir,
'--writeJsonSummaryPath', output_json_path])
# TODO(epoger): These expectations are the same as for above unittest.
# Define the expectations once, and share them.
expected_summary_dict = {
"header" : EXPECTED_HEADER_CONTENTS,
"actual-results" : {
"red.skp": {
# Manually verified: 640x400 red rectangle with black border
"whole-image": {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 11092453015575919668,
"comparisonResult" : "no-comparison",
"filepath" : "red_skp.png",
},
},
"green.skp": {
# Manually verified: 640x400 green rectangle with black border
"whole-image": {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 8891695120562235492,
"comparisonResult" : "no-comparison",
"filepath" : "green_skp.png",
},
}
}
}
self._assert_json_contents(output_json_path, expected_summary_dict)
self._assert_directory_contents(
self._temp_dir, ['red_skp.png', 'green_skp.png', 'output.json'])
def test_untiled_writeChecksumBasedFilenames(self):
"""Same as test_untiled, but with --writeChecksumBasedFilenames."""
output_json_path = os.path.join(self._temp_dir, 'output.json')
self._generate_skps()
self._run_render_pictures(['-r', self._input_skp_dir,
'--writeChecksumBasedFilenames',
'--writePath', self._temp_dir,
'--writeJsonSummaryPath', output_json_path])
expected_summary_dict = {
"header" : EXPECTED_HEADER_CONTENTS,
"actual-results" : {
"red.skp": {
# Manually verified: 640x400 red rectangle with black border
"whole-image": {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 11092453015575919668,
"comparisonResult" : "no-comparison",
"filepath" : "red_skp/bitmap-64bitMD5_11092453015575919668.png",
},
},
"green.skp": {
# Manually verified: 640x400 green rectangle with black border
"whole-image": {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 8891695120562235492,
"comparisonResult" : "no-comparison",
"filepath" : "green_skp/bitmap-64bitMD5_8891695120562235492.png",
},
}
}
}
self._assert_json_contents(output_json_path, expected_summary_dict)
self._assert_directory_contents(self._temp_dir, [
'red_skp', 'green_skp', 'output.json'])
self._assert_directory_contents(
os.path.join(self._temp_dir, 'red_skp'),
['bitmap-64bitMD5_11092453015575919668.png'])
self._assert_directory_contents(
os.path.join(self._temp_dir, 'green_skp'),
['bitmap-64bitMD5_8891695120562235492.png'])
def test_untiled_validate(self):
"""Same as test_untiled, but with --validate.
TODO(epoger): This test generates undesired results! The call
to render_pictures should succeed, and generate the same output as
test_untiled.
See https://code.google.com/p/skia/issues/detail?id=2044 ('render_pictures:
--validate fails')
"""
output_json_path = os.path.join(self._temp_dir, 'output.json')
self._generate_skps()
with self.assertRaises(Exception):
self._run_render_pictures(['-r', self._input_skp_dir,
'--validate',
'--writePath', self._temp_dir,
'--writeJsonSummaryPath', output_json_path])
def test_untiled_without_writePath(self):
"""Same as test_untiled, but without --writePath.
TODO(epoger): This test generates undesired results!
See https://code.google.com/p/skia/issues/detail?id=2043 ('render_pictures:
--writeJsonSummaryPath fails unless --writePath is specified')
"""
output_json_path = os.path.join(self._temp_dir, 'output.json')
self._generate_skps()
self._run_render_pictures(['-r', self._input_skp_dir,
'--writeJsonSummaryPath', output_json_path])
expected_summary_dict = {
"header" : EXPECTED_HEADER_CONTENTS,
"actual-results" : None,
}
self._assert_json_contents(output_json_path, expected_summary_dict)
def test_tiled(self):
"""Generate individual tiles."""
output_json_path = os.path.join(self._temp_dir, 'output.json')
self._generate_skps()
self._run_render_pictures(['-r', self._input_skp_dir,
'--bbh', 'grid', '256', '256',
'--mode', 'tile', '256', '256',
'--writePath', self._temp_dir,
'--writeJsonSummaryPath', output_json_path])
expected_summary_dict = {
"header" : EXPECTED_HEADER_CONTENTS,
"actual-results" : {
"red.skp": {
# Manually verified these 6 images, all 256x256 tiles,
# consistent with a tiled version of the 640x400 red rect
# with black borders.
"tiled-images": [{
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 5815827069051002745,
"comparisonResult" : "no-comparison",
"filepath" : "red_skp-tile0.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 9323613075234140270,
"comparisonResult" : "no-comparison",
"filepath" : "red_skp-tile1.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 16670399404877552232,
"comparisonResult" : "no-comparison",
"filepath" : "red_skp-tile2.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 2507897274083364964,
"comparisonResult" : "no-comparison",
"filepath" : "red_skp-tile3.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 7325267995523877959,
"comparisonResult" : "no-comparison",
"filepath" : "red_skp-tile4.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 2181381724594493116,
"comparisonResult" : "no-comparison",
"filepath" : "red_skp-tile5.png",
}],
},
"green.skp": {
# Manually verified these 6 images, all 256x256 tiles,
# consistent with a tiled version of the 640x400 green rect
# with black borders.
"tiled-images": [{
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 12587324416545178013,
"comparisonResult" : "no-comparison",
"filepath" : "green_skp-tile0.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 7624374914829746293,
"comparisonResult" : "no-comparison",
"filepath" : "green_skp-tile1.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 5686489729535631913,
"comparisonResult" : "no-comparison",
"filepath" : "green_skp-tile2.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 7980646035555096146,
"comparisonResult" : "no-comparison",
"filepath" : "green_skp-tile3.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 17817086664365875131,
"comparisonResult" : "no-comparison",
"filepath" : "green_skp-tile4.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 10673669813016809363,
"comparisonResult" : "no-comparison",
"filepath" : "green_skp-tile5.png",
}],
}
}
}
self._assert_json_contents(output_json_path, expected_summary_dict)
self._assert_directory_contents(
self._temp_dir,
['red_skp-tile0.png', 'red_skp-tile1.png', 'red_skp-tile2.png',
'red_skp-tile3.png', 'red_skp-tile4.png', 'red_skp-tile5.png',
'green_skp-tile0.png', 'green_skp-tile1.png', 'green_skp-tile2.png',
'green_skp-tile3.png', 'green_skp-tile4.png', 'green_skp-tile5.png',
'output.json'])
def test_tiled_writeChecksumBasedFilenames(self):
"""Same as test_tiled, but with --writeChecksumBasedFilenames."""
output_json_path = os.path.join(self._temp_dir, 'output.json')
self._generate_skps()
self._run_render_pictures(['-r', self._input_skp_dir,
'--bbh', 'grid', '256', '256',
'--mode', 'tile', '256', '256',
'--writeChecksumBasedFilenames',
'--writePath', self._temp_dir,
'--writeJsonSummaryPath', output_json_path])
expected_summary_dict = {
"header" : EXPECTED_HEADER_CONTENTS,
"actual-results" : {
"red.skp": {
# Manually verified these 6 images, all 256x256 tiles,
# consistent with a tiled version of the 640x400 red rect
# with black borders.
"tiled-images": [{
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 5815827069051002745,
"comparisonResult" : "no-comparison",
"filepath" : "red_skp/bitmap-64bitMD5_5815827069051002745.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 9323613075234140270,
"comparisonResult" : "no-comparison",
"filepath" : "red_skp/bitmap-64bitMD5_9323613075234140270.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 16670399404877552232,
"comparisonResult" : "no-comparison",
"filepath" : "red_skp/bitmap-64bitMD5_16670399404877552232.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 2507897274083364964,
"comparisonResult" : "no-comparison",
"filepath" : "red_skp/bitmap-64bitMD5_2507897274083364964.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 7325267995523877959,
"comparisonResult" : "no-comparison",
"filepath" : "red_skp/bitmap-64bitMD5_7325267995523877959.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 2181381724594493116,
"comparisonResult" : "no-comparison",
"filepath" : "red_skp/bitmap-64bitMD5_2181381724594493116.png",
}],
},
"green.skp": {
# Manually verified these 6 images, all 256x256 tiles,
# consistent with a tiled version of the 640x400 green rect
# with black borders.
"tiled-images": [{
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 12587324416545178013,
"comparisonResult" : "no-comparison",
"filepath" : "green_skp/bitmap-64bitMD5_12587324416545178013.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 7624374914829746293,
"comparisonResult" : "no-comparison",
"filepath" : "green_skp/bitmap-64bitMD5_7624374914829746293.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 5686489729535631913,
"comparisonResult" : "no-comparison",
"filepath" : "green_skp/bitmap-64bitMD5_5686489729535631913.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 7980646035555096146,
"comparisonResult" : "no-comparison",
"filepath" : "green_skp/bitmap-64bitMD5_7980646035555096146.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 17817086664365875131,
"comparisonResult" : "no-comparison",
"filepath" : "green_skp/bitmap-64bitMD5_17817086664365875131.png",
}, {
"checksumAlgorithm" : "bitmap-64bitMD5",
"checksumValue" : 10673669813016809363,
"comparisonResult" : "no-comparison",
"filepath" : "green_skp/bitmap-64bitMD5_10673669813016809363.png",
}],
}
}
}
self._assert_json_contents(output_json_path, expected_summary_dict)
self._assert_directory_contents(self._temp_dir, [
'red_skp', 'green_skp', 'output.json'])
self._assert_directory_contents(
os.path.join(self._temp_dir, 'red_skp'),
['bitmap-64bitMD5_5815827069051002745.png',
'bitmap-64bitMD5_9323613075234140270.png',
'bitmap-64bitMD5_16670399404877552232.png',
'bitmap-64bitMD5_2507897274083364964.png',
'bitmap-64bitMD5_7325267995523877959.png',
'bitmap-64bitMD5_2181381724594493116.png'])
self._assert_directory_contents(
os.path.join(self._temp_dir, 'green_skp'),
['bitmap-64bitMD5_12587324416545178013.png',
'bitmap-64bitMD5_7624374914829746293.png',
'bitmap-64bitMD5_5686489729535631913.png',
'bitmap-64bitMD5_7980646035555096146.png',
'bitmap-64bitMD5_17817086664365875131.png',
'bitmap-64bitMD5_10673669813016809363.png'])
def _run_render_pictures(self, args):
binary = self.find_path_to_program('render_pictures')
return self.run_command([binary,
'--clone', '1',
'--config', '8888',
] + args)
def _generate_skps(self):
"""Runs the skpmaker binary to generate files in self._input_skp_dir."""
self._run_skpmaker(
output_path=os.path.join(self._input_skp_dir, 'red.skp'), red=255)
self._run_skpmaker(
output_path=os.path.join(self._input_skp_dir, 'green.skp'), green=255)
def _run_skpmaker(self, output_path, red=0, green=0, blue=0,
width=640, height=400):
"""Runs the skpmaker binary to generate SKP with known characteristics.
Args:
output_path: Filepath to write the SKP into.
red: Value of red color channel in image, 0-255.
green: Value of green color channel in image, 0-255.
blue: Value of blue color channel in image, 0-255.
width: Width of canvas to create.
height: Height of canvas to create.
"""
binary = self.find_path_to_program('skpmaker')
return self.run_command([binary,
'--red', str(red),
'--green', str(green),
'--blue', str(blue),
'--width', str(width),
'--height', str(height),
'--writePath', str(output_path),
])
def _assert_directory_contents(self, dir_path, expected_filenames):
"""Asserts that files found in a dir are identical to expected_filenames.
Args:
dir_path: Path to a directory on local disk.
expected_filenames: Set containing the expected filenames within the dir.
Raises:
AssertionError: contents of the directory are not identical to
expected_filenames.
"""
self.assertEqual(set(os.listdir(dir_path)), set(expected_filenames))
def _assert_json_contents(self, json_path, expected_dict):
"""Asserts that contents of a JSON file are identical to expected_dict.
Args:
json_path: Path to a JSON file.
expected_dict: Dictionary indicating the expected contents of the JSON
file.
Raises:
AssertionError: contents of the JSON file are not identical to
expected_dict.
"""
file_contents = open(json_path, 'r').read()
actual_dict = json.loads(file_contents)
self.assertEqual(actual_dict, expected_dict)
def main():
base_unittest.main(RenderPicturesTest)
if __name__ == '__main__':
main()
|
